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tools/power/x86/intel-speed-select: Abstract read_pm_config 

Allow platform specific implementation to get SST-CP capability and
current state.

No functional changes are expected.

Signed-off-by: Zhang Rui <rui.zhang@intel.com>
[srinivas.pandruvada@linux.intel.com: changelog edits]
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
This commit is contained in:
Zhang Rui 2022-08-08 23:19:55 +08:00 committed by Srinivas Pandruvada
parent a59a6c0cad
commit 8f54104f7a
3 changed files with 22 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
tools/power/x86/intel-speed-select/isst-core-mbox.c
View File

@ -40,6 +40,24 @@ static int mbox_is_punit_valid(struct isst_id *id)
return 1;
}
static int mbox_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", id->cpu, resp);
*cp_state = resp & BIT(16);
*cp_cap = resp & BIT(0) ? 1 : 0;
return 0;
}
static int mbox_get_config_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)
{
unsigned int resp;
@ -803,6 +821,7 @@ static struct isst_platform_ops mbox_ops = {
.get_trl_max_levels = mbox_get_trl_max_levels,
.get_trl_level_name = mbox_get_trl_level_name,
.is_punit_valid = mbox_is_punit_valid,
.read_pm_config = mbox_read_pm_config,
.get_config_levels = mbox_get_config_levels,
.get_ctdp_control = mbox_get_ctdp_control,
.get_tdp_info = mbox_get_tdp_info,

16
tools/power/x86/intel-speed-select/isst-core.c
View File

@ -249,20 +249,8 @@ int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write,
int isst_read_pm_config(struct isst_id *id, int *cp_state, int *cp_cap)
{
unsigned int resp;
int ret;
ret = isst_send_mbox_command(id->cpu, READ_PM_CONFIG, PM_FEATURE, 0, 0,
&resp);
if (ret)
return ret;
debug_printf("cpu:%d READ_PM_CONFIG resp:%x\n", id->cpu, resp);
*cp_state = resp & BIT(16);
*cp_cap = resp & BIT(0) ? 1 : 0;
return 0;
CHECK_CB(read_pm_config);
return isst_ops->read_pm_config(id, cp_state, cp_cap);
}
int isst_get_ctdp_levels(struct isst_id *id, struct isst_pkg_ctdp *pkg_dev)

1
tools/power/x86/intel-speed-select/isst.h
View File

@ -186,6 +186,7 @@ struct isst_platform_ops {
int (*get_trl_max_levels)(void);
char *(*get_trl_level_name)(int level);
int (*is_punit_valid)(struct isst_id *id);
int (*read_pm_config)(struct isst_id *id, int *cp_state, int *cp_cap);
int (*get_config_levels)(struct isst_id *id, struct isst_pkg_ctdp *pkg_ctdp);
int (*get_ctdp_control)(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level);
int (*get_tdp_info)(struct isst_id *id, int config_index, struct isst_pkg_ctdp_level_info *ctdp_level);